The equation of a circle is `x^2+y^2=4.` Find the center of the smallest circle touching the circle and the line `x+y=5sqrt(2)`

The centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-8x-18y+93=0

The centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-8x-18y+93=0 is:

The equation of the circle touching the lines |y| = x and having radius sqrt(2) is :

The equation of four circles are (x+-a)^(2)+(y+-a^(2)=a^(2). The radius of a circle touching all the four circles is (sqrt(2)+2)a( b) 2sqrt(2)a(sqrt(2)+1)a(d)(2+sqrt(2))a

Find the equation of the family of circles touching the lines x^(2)-y^(2)+2y-1=0

Find the equation of the circle which touch the line 2x-y=1 at (1,1) and line 2x+y=4

Find the center of the smallest circle which cuts circles x^(2)+y^(2)=1 and x^(2)+y^(2)+8x+8y-33=0 orthogonally.

Find the equation of a circle with center (4,3) touching the circle x^(2)+y^(2)=1

Find the sum of co-ordinates of the centre of the smallest circle touching the circles x^(2)+y^(2)-2y-3=0 and x^(2)+y^(2)-6x-18y+93=0